Laurel A. Mazar, MSW
Social Worker · Janesville, WI
Laurel A. Mazar, MSW is a social worker with a practice address in Janesville, Wisconsin, and NPI 1386425007, issued on Oct 9, 2023. Check the license (Wisconsin 134559-121, as entered in NPPES) with the Wisconsin board that licenses this profession; the federal record below is the public data PlainDoctor holds for this provider.
- Name
- Laurel A. Mazar
- Credential
- MSW
- Primary taxonomy
- Social Worker 104100000X
- License number
- 134559-121 WI
Self-reported in NPPES; status is on the state search - Practice location
- 1905 Center Ave, Janesville, WI 53546
- Phone
- (608) 352-9701
- Enumerated
- Oct 9, 2023
- Record last updated
- Oct 16, 2023
- Entity
- Type 1 · individual
8 nearest social worker records → All 1,915 in Wisconsin → Look up another NPI →
Also registered at 1905 Center Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Carolyn PagelCounselor1467145763
- Shelbria Wachtveitl, MSW, APSW, LCSWClinical Social Worker1568201671
Verify Laurel A. Mazar in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Wisconsin board licenses this profession
Search for license 134559-121Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Laurel A. Mazar among 1,915 social worker records in Wisconsin
Laurel A. Mazar, MSW is one of 1,915 social worker records with a practice address in Wisconsin. 7% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does not. Its NPI, issued in 2023, is newer than 74% of them.
- NPI issued2023 · 74% of these records are older, 18% newer
- In a Medicare fileNo · 7% of these records are
- In the CMS Doctors and Clinicians fileNo · 9% of these records are
- Record last updated2023 · 56% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 104100000X and a Wisconsin practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
69 social worker records list a practice address in Janesville
They are 69 of the 1,538 NPPES records with a practice address in Janesville, and 1,915 social worker records in Wisconsin. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
All 1,915 in Wisconsin → Every provider in Janesville → Social Worker nationwide →
The 8 social worker records with the nearest ZIP codes
- William Breyman, APSWJanesville, WI 535461447951405
- Ashley Cortez, MSW, LCSWJanesville, WI 535461306297270
- Jeremy Edge, APSWJanesville, WI 535461407336704
- Morgan KeeserJanesville, WI 535461588401376
- Steven Miller, APSWJanesville, WI 535461669365045
- Jerry Morris, APSWJanesville, WI 535461780440800
- Kristen Paeth, LCSWJanesville, WI 535461174112973
- Laura PisciottiJanesville, WI 535461215643986
Common questions
What is Laurel A. Mazar, MSW's NPI number?
Laurel A. Mazar, MSW's National Provider Identifier (NPI) is 1386425007, issued on Oct 9, 2023. An NPI identifies a provider in billing; it is not a license.
Where is Laurel A. Mazar, MSW located?
The NPPES record lists a practice address at 1905 Center Ave, Janesville, WI, 53546. Phone: (608) 352-9701. Providers update this record themselves, so call before visiting.
How can I verify Laurel A. Mazar, MSW's license?
NPPES lists Wisconsin license number 134559-121, as entered by the provider. Search the Wisconsin board that licenses this profession; the NPPES record confirms identity only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.